OregonFlora species comparison

erect, branched or not, 3–12(20) dm, green or red.

prostrate to erect, branched, occasionally simple.

blades rhombic-ovate to widely lanceolate; (2)4–12(15) cm, bases wedge-shaped;

margins entire; plane;

tips acute to obtuse;

midveins extending to a spine;

petioles 1–5(10) cm.

alternate;

blades ovate to linear; flat;

midveins extending to short spine or awn at tip;

margins entire; flat or crisped;

tips acute, obtuse or rounded;

petioles present.

terminal and axillary, tightly clustered; lax and nodding; dull green to red, villous;

bracts 2–4 mm;

midveins extending to a spine.

terminal and axillary spikes or panicles with flowers densely clustered, or rarely axillary with solitary flowers;

bracts leaf-like, often spine-tipped.

perianth segments 5, mostly similar in staminate and pistillate flowers; erect, not overlapping or reflexed, linear to lance-oblong;

midveins extending to spine;

tips acute.

unisexual, staminate and pistillate flowers typically distinct;

perianth segments membranous or scarious.

generally at inflorescence tips;

perianth segments of nearly equal length, 2–3 mm;

stamens 5.

perianth segments (2)3–5, scarious;

stamens (1)2–5;

filaments free.

perianth segments of equal length or 1 slightly longer, 1.5–2 mm;

styles 3; erect.

perianth segments (1)3–5;

ovules 1;

styles 0;

stigmas 2–3, persistent.

ovoid, 1.5–2.2 mm, rugose at tips; smooth below; dehiscence circumscissile.

utricles; ovoid to obovoid, usually smooth;

walls thin and membranous.

lenticular, widely orbicular to rounded, 1–1.4 mm, red-brown to black; shiny.

lenticular to ± spherical, usually dark reddish brown to black; smooth; shiny.

=32.